Home / 1,965.48-2,951.36-1,144.35

Finding the Fourth Proportional to 1,965.48, 2,951.36 and 1,144.35

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Solution

The fourth proportional to 1,965.48, 2,951.36 and 1,144.35 is: 1,718.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,965.48 : 2,951.36 = 1,144.35 : x
  2. Step 2: Convert to fraction form
    1,965.48/2,951.36 = 1,144.35/x
  3. Step 3: Cross multiply
    1,965.48x = 2,951.36 × 1,144.35
  4. Step 4: Simplify right side
    1,965.48x = 3,377,383.09
  5. Step 5: Solve for x
    x = 3,377,383.09/1,965.48
  6. Step 6: Final answer
    x = 1,718.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.